Melatonin is a hormone produced by the pineal gland, which regulates the body's sleep/wake cycle. Melatonin's primary role is regulation of the body's circadian rhythm, endocrine secretions, and sleep patterns. Studies indicate that it facilitates the onset of sleep, as well as sleep efficiency.

• Helps augment the natural functioning of the pineal gland which secretes melatonin, that plays a role in the body’s internal clock‡
• Designed to assist in the duration of sleep‡